74719980 has 36 divisors (see below), whose sum is σ = 226651152. Its totient is φ = 19925280.

The previous prime is 74719969. The next prime is 74719991. The reversal of 74719980 is 8991747.

It is an interprime number because it is at equal distance from previous prime (74719969) and next prime (74719991).

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×74719980² = 11166150822400800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 207376 + ... + 207735.

Almost surely, 2^74719980 is an apocalyptic number.

It is an amenable number.

74719980 is an abundant number, since it is smaller than the sum of its proper divisors (151931172).

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

74719980 is a wasteful number, since it uses less digits than its factorization.

74719980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415126 (or 415121 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The square root of 74719980 is about 8644.0719571276. The cubic root of 74719980 is about 421.1908380785.

The spelling of 74719980 in words is "seventy-four million, seven hundred nineteen thousand, nine hundred eighty".