64670542 has 8 divisors (see below), whose sum is σ = 97108632. Its totient is φ = 32301000.

The previous prime is 64670539. The next prime is 64670591. The reversal of 64670542 is 24507646.

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

It is a junction number, because it is equal to n+sod(n) for n = 64670498 and 64670507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14709 + ... + 18592.

It is an arithmetic number, because the mean of its divisors is an integer number (12138579).

Almost surely, 2^64670542 is an apocalyptic number.

64670542 is a deficient number, since it is larger than the sum of its proper divisors (32438090).

64670542 is a wasteful number, since it uses less digits than its factorization.

64670542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34274.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 64670542 is about 8041.7996742023. The cubic root of 64670542 is about 401.3921119403.

The spelling of 64670542 in words is "sixty-four million, six hundred seventy thousand, five hundred forty-two".