64760421 has 8 divisors (see below), whose sum is σ = 94197024. Its totient is φ = 39248720.

The previous prime is 64760419. The next prime is 64760441. The reversal of 64760421 is 12406746.

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

It is a cyclic number.

It is not a de Polignac number, because 64760421 - 2¹ = 64760419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64760411) 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, 981186 + ... + 981251.

It is an arithmetic number, because the mean of its divisors is an integer number (11774628).

Almost surely, 2^64760421 is an apocalyptic number.

It is an amenable number.

64760421 is a deficient number, since it is larger than the sum of its proper divisors (29436603).

64760421 is a wasteful number, since it uses less digits than its factorization.

64760421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1962451.

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

The square root of 64760421 is about 8047.3859730971. The cubic root of 64760421 is about 401.5779772008.

The spelling of 64760421 in words is "sixty-four million, seven hundred sixty thousand, four hundred twenty-one".