42764513 has 4 divisors (see below), whose sum is σ = 46652208. Its totient is φ = 38876820.

The previous prime is 42764483. The next prime is 42764539. The reversal of 42764513 is 31546724.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42764513 - 2²⁰ = 41715937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42764513.

It is not an unprimeable number, because it can be changed into a prime (42760513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1943831 + ... + 1943852.

It is an arithmetic number, because the mean of its divisors is an integer number (11663052).

Almost surely, 2^42764513 is an apocalyptic number.

It is an amenable number.

42764513 is a deficient number, since it is larger than the sum of its proper divisors (3887695).

42764513 is a wasteful number, since it uses less digits than its factorization.

42764513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3887694.

The product of its digits is 20160, while the sum is 32.

The square root of 42764513 is about 6539.4581579822. The cubic root of 42764513 is about 349.6990964821.

The spelling of 42764513 in words is "forty-two million, seven hundred sixty-four thousand, five hundred thirteen".