75482644 has 24 divisors (see below), whose sum is σ = 137587968. Its totient is φ = 36193920.

The previous prime is 75482633. The next prime is 75482647. The reversal of 75482644 is 44628457.

75482644 = T₃₃₇ + T₃₃₈ + ... + T₇₈₈.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 75482597 and 75482606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75482647) 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, 11319 + ... + 16705.

It is an arithmetic number, because the mean of its divisors is an integer number (5732832).

Almost surely, 2^75482644 is an apocalyptic number.

It is an amenable number.

75482644 is a deficient number, since it is larger than the sum of its proper divisors (62105324).

75482644 is a wasteful number, since it uses less digits than its factorization.

75482644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5535 (or 5533 counting only the distinct ones).

The product of its digits is 215040, while the sum is 40.

The square root of 75482644 is about 8688.0748155158. The cubic root of 75482644 is about 422.6190162237.

The spelling of 75482644 in words is "seventy-five million, four hundred eighty-two thousand, six hundred forty-four".