74649455 has 8 divisors (see below), whose sum is σ = 91098000. Its totient is φ = 58707136.

The previous prime is 74649439. The next prime is 74649469. The reversal of 74649455 is 55494647.

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

It is a cyclic number.

It is not a de Polignac number, because 74649455 - 2⁴ = 74649439 is a prime.

It is a super-2 number, since 2×74649455² = 11145082263594050, which contains 22 as substring.

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, 126230 + ... + 126819.

It is an arithmetic number, because the mean of its divisors is an integer number (11387250).

Almost surely, 2^74649455 is an apocalyptic number.

74649455 is a deficient number, since it is larger than the sum of its proper divisors (16448545).

74649455 is a wasteful number, since it uses less digits than its factorization.

74649455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253113.

The product of its digits is 604800, while the sum is 44.

The square root of 74649455 is about 8639.9916087922. The cubic root of 74649455 is about 421.0582816799.

The spelling of 74649455 in words is "seventy-four million, six hundred forty-nine thousand, four hundred fifty-five".