72532758 has 8 divisors (see below), whose sum is σ = 145065528. Its totient is φ = 24177584.

The previous prime is 72532751. The next prime is 72532763. The reversal of 72532758 is 85723527.

It is a sphenic number, since it is the product of 3 distinct primes.

72532758 is an admirable number.

It is a super-2 number, since 2×72532758² = 10522001966173128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72532751) 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 3 ways as a sum of consecutive naturals, for example, 6044391 + ... + 6044402.

It is an arithmetic number, because the mean of its divisors is an integer number (18133191).

Almost surely, 2^72532758 is an apocalyptic number.

72532758 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

72532758 is a wasteful number, since it uses less digits than its factorization.

72532758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12088798.

The product of its digits is 117600, while the sum is 39.

The square root of 72532758 is about 8516.6165817184. The cubic root of 72532758 is about 417.0403379251.

It can be divided in two parts, 7253 and 2758, that added together give a triangular number (10011 = T₁₄₁).

The spelling of 72532758 in words is "seventy-two million, five hundred thirty-two thousand, seven hundred fifty-eight".