74899877 has 8 divisors (see below), whose sum is σ = 82841976. Its totient is φ = 67269312.

The previous prime is 74899801. The next prime is 74899879. The reversal of 74899877 is 77899847.

It can be written as a sum of positive squares in 4 ways, for example, as 2070721 + 72829156 = 1439^2 + 8534^2 .

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 74899877 - 2¹⁰ = 74898853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74899879) 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, 77378 + ... + 78339.

It is an arithmetic number, because the mean of its divisors is an integer number (10355247).

Almost surely, 2^74899877 is an apocalyptic number.

It is an amenable number.

74899877 is a deficient number, since it is larger than the sum of its proper divisors (7942099).

74899877 is a wasteful number, since it uses less digits than its factorization.

74899877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155767.

The product of its digits is 7112448, while the sum is 59.

The square root of 74899877 is about 8654.4715032173. The cubic root of 74899877 is about 421.5285890624.

The spelling of 74899877 in words is "seventy-four million, eight hundred ninety-nine thousand, eight hundred seventy-seven".