74999977 has 8 divisors (see below), whose sum is σ = 81406976. Its totient is φ = 68684112.

The previous prime is 74999959. The next prime is 75000007. The reversal of 74999977 is 77999947.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74999977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74999917) 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, 21063 + ... + 24364.

It is an arithmetic number, because the mean of its divisors is an integer number (10175872).

Almost surely, 2^74999977 is an apocalyptic number.

It is an amenable number.

74999977 is a deficient number, since it is larger than the sum of its proper divisors (6406999).

74999977 is a wasteful number, since it uses less digits than its factorization.

74999977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45567.

The product of its digits is 9001692, while the sum is 61.

The square root of 74999977 is about 8660.2527099387. The cubic root of 74999977 is about 421.7162895421.

The spelling of 74999977 in words is "seventy-four million, nine hundred ninety-nine thousand, nine hundred seventy-seven".