64902275 has 6 divisors (see below), whose sum is σ = 80478852. Its totient is φ = 51921800.

The previous prime is 64902269. The next prime is 64902283. The reversal of 64902275 is 57220946.

It is not a de Polignac number, because 64902275 - 2¹² = 64898179 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1298021 + ... + 1298070.

It is an arithmetic number, because the mean of its divisors is an integer number (13413142).

Almost surely, 2^64902275 is an apocalyptic number.

64902275 is a deficient number, since it is larger than the sum of its proper divisors (15576577).

64902275 is a wasteful number, since it uses less digits than its factorization.

64902275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2596101 (or 2596096 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 64902275 is about 8056.1948213781. The cubic root of 64902275 is about 401.8709745740.

The spelling of 64902275 in words is "sixty-four million, nine hundred two thousand, two hundred seventy-five".