64492742 has 16 divisors (see below), whose sum is σ = 99790272. Its totient is φ = 31243200.

The previous prime is 64492721. The next prime is 64492763. The reversal of 64492742 is 24729446.

It is an interprime number because it is at equal distance from previous prime (64492721) and next prime (64492763).

It is a junction number, because it is equal to n+sod(n) for n = 64492696 and 64492705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6098 + ... + 12890.

It is an arithmetic number, because the mean of its divisors is an integer number (6236892).

Almost surely, 2^64492742 is an apocalyptic number.

64492742 is a deficient number, since it is larger than the sum of its proper divisors (35297530).

64492742 is a wasteful number, since it uses less digits than its factorization.

64492742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6943.

The product of its digits is 96768, while the sum is 38.

The square root of 64492742 is about 8030.7373260492. The cubic root of 64492742 is about 401.0239225534.

The spelling of 64492742 in words is "sixty-four million, four hundred ninety-two thousand, seven hundred forty-two".