64757429 has 4 divisors (see below), whose sum is σ = 70644480. Its totient is φ = 58870380.

The previous prime is 64757411. The next prime is 64757461. The reversal of 64757429 is 92475746.

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 a de Polignac number, because none of the positive numbers 2^k-64757429 is a prime.

It is a super-2 number, since 2×64757429² = 8387049221380082, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64757429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64757479) 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, 2943509 + ... + 2943530.

It is an arithmetic number, because the mean of its divisors is an integer number (17661120).

Almost surely, 2^64757429 is an apocalyptic number.

It is an amenable number.

64757429 is a deficient number, since it is larger than the sum of its proper divisors (5887051).

64757429 is a wasteful number, since it uses less digits than its factorization.

64757429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5887050.

The product of its digits is 423360, while the sum is 44.

The square root of 64757429 is about 8047.2000720748. The cubic root of 64757429 is about 401.5717926630.

The spelling of 64757429 in words is "sixty-four million, seven hundred fifty-seven thousand, four hundred twenty-nine".