64612407 has 8 divisors (see below), whose sum is σ = 90684160. Its totient is φ = 40807800.

The previous prime is 64612399. The next prime is 64612409. The reversal of 64612407 is 70421646.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64612407 - 2³ = 64612399 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 (64612409) 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, 566719 + ... + 566832.

It is an arithmetic number, because the mean of its divisors is an integer number (11335520).

Almost surely, 2^64612407 is an apocalyptic number.

64612407 is a deficient number, since it is larger than the sum of its proper divisors (26071753).

64612407 is a wasteful number, since it uses less digits than its factorization.

64612407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133573.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 64612407 is about 8038.1843099048. The cubic root of 64612407 is about 401.2717999433.

The spelling of 64612407 in words is "sixty-four million, six hundred twelve thousand, four hundred seven".