37696457736 has 144 divisors (see below), whose sum is σ = 120390788700. Its totient is φ = 10622803968.

The previous prime is 37696457719. The next prime is 37696457741. The reversal of 37696457736 is 63775469673.

It can be written as a sum of positive squares in 2 ways, for example, as 36406929636 + 1289528100 = 190806^2 + 35910^2 .

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 184360 + ... + 330728.

Almost surely, 2^37696457736 is an apocalyptic number.

37696457736 is a gapful number since it is divisible by the number (36) 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 37696457736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60195394350).

37696457736 is an abundant number, since it is smaller than the sum of its proper divisors (82694330964).

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

37696457736 is a wasteful number, since it uses less digits than its factorization.

37696457736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146468 (or 146454 counting only the distinct ones).

The product of its digits is 120022560, while the sum is 63.

The spelling of 37696457736 in words is "thirty-seven billion, six hundred ninety-six million, four hundred fifty-seven thousand, seven hundred thirty-six".