75722064 has 40 divisors (see below), whose sum is σ = 213400032. Its totient is φ = 22945920.

The previous prime is 75722021. The next prime is 75722069. The reversal of 75722064 is 46022757.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75722069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71179 + ... + 72234.

Almost surely, 2^75722064 is an apocalyptic number.

It is an amenable number.

75722064 is an abundant number, since it is smaller than the sum of its proper divisors (137677968).

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

75722064 is a wasteful number, since it uses less digits than its factorization.

75722064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143435 (or 143429 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 75722064 is about 8701.8425635034. The cubic root of 75722064 is about 423.0653733723.

The spelling of 75722064 in words is "seventy-five million, seven hundred twenty-two thousand, sixty-four".