77225030 has 32 divisors (see below), whose sum is σ = 149741568. Its totient is φ = 28591200.

The previous prime is 77225023. The next prime is 77225069. The reversal of 77225030 is 3052277.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1715 + ... + 12545.

It is an arithmetic number, because the mean of its divisors is an integer number (4679424).

Almost surely, 2^77225030 is an apocalyptic number.

77225030 is a deficient number, since it is larger than the sum of its proper divisors (72516538).

77225030 is a wasteful number, since it uses less digits than its factorization.

77225030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10892.

The product of its (nonzero) digits is 2940, while the sum is 26.

The square root of 77225030 is about 8787.7773071466. Note that the first 3 decimals coincide. The cubic root of 77225030 is about 425.8461205927.

The spelling of 77225030 in words is "seventy-seven million, two hundred twenty-five thousand, thirty".