74376774072 has 32 divisors (see below), whose sum is σ = 206602150800. Its totient is φ = 24792257952.

The previous prime is 74376774067. The next prime is 74376774089. The reversal of 74376774072 is 27047767347.

It is a happy number.

It is a super-2 number, since 2×74376774072² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172168243 + ... + 172168674.

Almost surely, 2^74376774072 is an apocalyptic number.

74376774072 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

74376774072 is an abundant number, since it is smaller than the sum of its proper divisors (132225376728).

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

74376774072 is a wasteful number, since it uses less digits than its factorization.

74376774072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344336932 (or 344336922 counting only the distinct ones).

The product of its (nonzero) digits is 9680832, while the sum is 54.

The spelling of 74376774072 in words is "seventy-four billion, three hundred seventy-six million, seven hundred seventy-four thousand, seventy-two".