73736375780 has 24 divisors (see below), whose sum is σ = 155091814080. Its totient is φ = 29447802720.

The previous prime is 73736375771. The next prime is 73736375789. The reversal of 73736375780 is 8757363737.

It is an interprime number because it is at equal distance from previous prime (73736375771) and next prime (73736375789).

It is a super-2 number, since 2×73736375780² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (73736375789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2908790 + ... + 2934029.

It is an arithmetic number, because the mean of its divisors is an integer number (6462158920).

Almost surely, 2^73736375780 is an apocalyptic number.

It is an amenable number.

73736375780 is an abundant number, since it is smaller than the sum of its proper divisors (81355438300).

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

73736375780 is a wasteful number, since it uses less digits than its factorization.

73736375780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5843459 (or 5843457 counting only the distinct ones).

The product of its (nonzero) digits is 15558480, while the sum is 56.

The spelling of 73736375780 in words is "seventy-three billion, seven hundred thirty-six million, three hundred seventy-five thousand, seven hundred eighty".