75028532 has 6 divisors (see below), whose sum is σ = 131299938. Its totient is φ = 37514264.

The previous prime is 75028529. The next prime is 75028537. The reversal of 75028532 is 23582057.

It can be written as a sum of positive squares in only one way, i.e., 72352036 + 2676496 = 8506^2 + 1636^2 .

It is a super-2 number, since 2×75028532² = 11258561228150048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75028537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9378563 + ... + 9378570.

It is an arithmetic number, because the mean of its divisors is an integer number (21883323).

Almost surely, 2^75028532 is an apocalyptic number.

It is an amenable number.

75028532 is a deficient number, since it is larger than the sum of its proper divisors (56271406).

75028532 is a wasteful number, since it uses less digits than its factorization.

75028532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18757137 (or 18757135 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 75028532 is about 8661.9011769934. The cubic root of 75028532 is about 421.7698032505.

The spelling of 75028532 in words is "seventy-five million, twenty-eight thousand, five hundred thirty-two".