73526870016 has 374 divisors, whose sum is σ = 232187033660. Its totient is φ = 23219011584.

The previous prime is 73526870003. The next prime is 73526870093. The reversal of 73526870016 is 61007862537.

It is a super-2 number, since 2×73526870016² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 21 ways as a sum of consecutive naturals, for example, 3869835255 + ... + 3869835273.

Almost surely, 2^73526870016 is an apocalyptic number.

73526870016 is a gapful number since it is divisible by the number (76) 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 73526870016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116093516830).

73526870016 is an abundant number, since it is smaller than the sum of its proper divisors (158660163644).

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

73526870016 is an frugal number, since it uses more digits than its factorization.

73526870016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81 (or 24 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 73526870016 in words is "seventy-three billion, five hundred twenty-six million, eight hundred seventy thousand, sixteen".