73901697504 has 96 divisors (see below), whose sum is σ = 198700951680. Its totient is φ = 24037074432.

The previous prime is 73901697497. The next prime is 73901697511. The reversal of 73901697504 is 40579610937.

It is an interprime number because it is at equal distance from previous prime (73901697497) and next prime (73901697511).

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×73901697504² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4404459 + ... + 4421205.

It is an arithmetic number, because the mean of its divisors is an integer number (2069801580).

Almost surely, 2^73901697504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73901697504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99350475840).

73901697504 is an abundant number, since it is smaller than the sum of its proper divisors (124799254176).

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

73901697504 is a wasteful number, since it uses less digits than its factorization.

73901697504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17872 (or 17864 counting only the distinct ones).

The product of its (nonzero) digits is 1428840, while the sum is 51.

The spelling of 73901697504 in words is "seventy-three billion, nine hundred one million, six hundred ninety-seven thousand, five hundred four".