64870034 has 12 divisors (see below), whose sum is σ = 98257614. Its totient is φ = 32120544.

The previous prime is 64870033. The next prime is 64870067. The reversal of 64870034 is 43007846.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 57714409 + 7155625 = 7597^2 + 2675^2 .

It is a super-2 number, since 2×64870034² = 8416242622322312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64870033) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21482 + ... + 24314.

Almost surely, 2^64870034 is an apocalyptic number.

64870034 is a deficient number, since it is larger than the sum of its proper divisors (33387580).

64870034 is a wasteful number, since it uses less digits than its factorization.

64870034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3049 (or 2942 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 64870034 is about 8054.1935660872. The cubic root of 64870034 is about 401.8044187758.

The spelling of 64870034 in words is "sixty-four million, eight hundred seventy thousand, thirty-four".