37478391552 has 576 divisors, whose sum is σ = 130975595520. Its totient is φ = 10480803840.

The previous prime is 37478391527. The next prime is 37478391553. The reversal of 37478391552 is 25519387473.

37478391552 is a `hidden beast` number, since 3 + 7 + 4 + 7 + 83 + 9 + 1 + 552 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (54).

Its product of digits (6350400) is a multiple of the sum of its prime divisors (216).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37478391553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 286094527 + ... + 286094657.

Almost surely, 2^37478391552 is an apocalyptic number.

37478391552 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 37478391552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65487797760).

37478391552 is an abundant number, since it is smaller than the sum of its proper divisors (93497203968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

37478391552 is an frugal number, since it uses more digits than its factorization.

37478391552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248 (or 216 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 54.

The spelling of 37478391552 in words is "thirty-seven billion, four hundred seventy-eight million, three hundred ninety-one thousand, five hundred fifty-two".