64426710 has 32 divisors (see below), whose sum is σ = 154835712. Its totient is φ = 17156960.

The previous prime is 64426699. The next prime is 64426723. The reversal of 64426710 is 1762446.

It is a super-2 number, since 2×64426710² = 8301601922848200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 40225 + ... + 41795.

It is an arithmetic number, because the mean of its divisors is an integer number (4838616).

Almost surely, 2^64426710 is an apocalyptic number.

64426710 is an abundant number, since it is smaller than the sum of its proper divisors (90409002).

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

64426710 is a wasteful number, since it uses less digits than its factorization.

64426710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2948.

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

The square root of 64426710 is about 8026.6250691059. The cubic root of 64426710 is about 400.8870107426.

The spelling of 64426710 in words is "sixty-four million, four hundred twenty-six thousand, seven hundred ten".