75332745 has 24 divisors (see below), whose sum is σ = 131179776. Its totient is φ = 39991968.

The previous prime is 75332737. The next prime is 75332753. The reversal of 75332745 is 54723357.

It is an interprime number because it is at equal distance from previous prime (75332737) and next prime (75332753).

It is not a de Polignac number, because 75332745 - 2³ = 75332737 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6282 + ... + 13788.

It is an arithmetic number, because the mean of its divisors is an integer number (5465824).

Almost surely, 2^75332745 is an apocalyptic number.

It is an amenable number.

75332745 is a deficient number, since it is larger than the sum of its proper divisors (55847031).

75332745 is a wasteful number, since it uses less digits than its factorization.

75332745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7741 (or 7738 counting only the distinct ones).

The product of its digits is 88200, while the sum is 36.

The square root of 75332745 is about 8679.4438185865. The cubic root of 75332745 is about 422.3390748313.

The spelling of 75332745 in words is "seventy-five million, three hundred thirty-two thousand, seven hundred forty-five".