715640154 has 24 divisors (see below), whose sum is σ = 1444675680. Its totient is φ = 236334672.

The previous prime is 715640141. The next prime is 715640183. The reversal of 715640154 is 451046517.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66267 + ... + 76305.

It is an arithmetic number, because the mean of its divisors is an integer number (60194820).

Almost surely, 2^715640154 is an apocalyptic number.

715640154 is an abundant number, since it is smaller than the sum of its proper divisors (729035526).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

715640154 is a wasteful number, since it uses less digits than its factorization.

715640154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10262 (or 10153 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 715640154 is about 26751.4514372585. The cubic root of 715640154 is about 894.4681896206.

The spelling of 715640154 in words is "seven hundred fifteen million, six hundred forty thousand, one hundred fifty-four".