64675542 has 16 divisors (see below), whose sum is σ = 129431232. Its totient is φ = 21545160.

The previous prime is 64675537. The next prime is 64675547. The reversal of 64675542 is 24557646.

It is an interprime number because it is at equal distance from previous prime (64675537) and next prime (64675547).

It is a self number, because there is not a number n which added to its sum of digits gives 64675542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64675547) 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, 14413 + ... + 18359.

It is an arithmetic number, because the mean of its divisors is an integer number (8089452).

Almost surely, 2^64675542 is an apocalyptic number.

64675542 is an abundant number, since it is smaller than the sum of its proper divisors (64755690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64675542 is a wasteful number, since it uses less digits than its factorization.

64675542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6683.

The product of its digits is 201600, while the sum is 39.

The square root of 64675542 is about 8042.1105438809. The cubic root of 64675542 is about 401.4024562113.

The spelling of 64675542 in words is "sixty-four million, six hundred seventy-five thousand, five hundred forty-two".