74878051 has 8 divisors (see below), whose sum is σ = 77550464. Its totient is φ = 72221760.

The previous prime is 74878043. The next prime is 74878073. The reversal of 74878051 is 15087847.

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 74878051 - 2³ = 74878043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74877995 and 74878013.

It is not an unprimeable number, because it can be changed into a prime (74828051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5845 + ... + 13561.

It is an arithmetic number, because the mean of its divisors is an integer number (9693808).

Almost surely, 2^74878051 is an apocalyptic number.

74878051 is a deficient number, since it is larger than the sum of its proper divisors (2672413).

74878051 is a wasteful number, since it uses less digits than its factorization.

74878051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8061.

The product of its (nonzero) digits is 62720, while the sum is 40.

The square root of 74878051 is about 8653.2104446847. The cubic root of 74878051 is about 421.4876402778.

The spelling of 74878051 in words is "seventy-four million, eight hundred seventy-eight thousand, fifty-one".