37971472896 has 400 divisors, whose sum is σ = 130596016320. Its totient is φ = 10759495680.

The previous prime is 37971472859. The next prime is 37971472909. The reversal of 37971472896 is 69827417973.

37971472896 is a `hidden beast` number, since 3 + 7 + 9 + 71 + 472 + 8 + 96 = 666.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 40351786 + ... + 40352726.

Almost surely, 2^37971472896 is an apocalyptic number.

37971472896 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 37971472896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65298008160).

37971472896 is an abundant number, since it is smaller than the sum of its proper divisors (92624543424).

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

37971472896 is an equidigital number, since it uses as much as digits as its factorization.

37971472896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117 (or 1092 counting only the distinct ones).

The product of its digits is 32006016, while the sum is 63.

The spelling of 37971472896 in words is "thirty-seven billion, nine hundred seventy-one million, four hundred seventy-two thousand, eight hundred ninety-six".