73746746780 has 48 divisors (see below), whose sum is σ = 178816886976. Its totient is φ = 25023928320.

The previous prime is 73746746779. The next prime is 73746746783. The reversal of 73746746780 is 8764764737.

It is a super-3 number, since 3×73746746780³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73746746783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2701691 + ... + 2728850.

It is an arithmetic number, because the mean of its divisors is an integer number (3725351812).

Almost surely, 2^73746746780 is an apocalyptic number.

73746746780 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

73746746780 is an abundant number, since it is smaller than the sum of its proper divisors (105070140196).

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

73746746780 is a wasteful number, since it uses less digits than its factorization.

73746746780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5430654 (or 5430652 counting only the distinct ones).

The product of its (nonzero) digits is 33191424, while the sum is 59.

The spelling of 73746746780 in words is "seventy-three billion, seven hundred forty-six million, seven hundred forty-six thousand, seven hundred eighty".