75378725 has 12 divisors (see below), whose sum is σ = 93639840. Its totient is φ = 60193200.

The previous prime is 75378713. The next prime is 75378733. The reversal of 75378725 is 52787357.

It is not a de Polignac number, because 75378725 - 2⁶ = 75378661 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13040 + ... + 17910.

It is an arithmetic number, because the mean of its divisors is an integer number (7803320).

Almost surely, 2^75378725 is an apocalyptic number.

It is an amenable number.

75378725 is a deficient number, since it is larger than the sum of its proper divisors (18261115).

75378725 is a wasteful number, since it uses less digits than its factorization.

75378725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5500 (or 5495 counting only the distinct ones).

The product of its digits is 411600, while the sum is 44.

The square root of 75378725 is about 8682.0922017680. The cubic root of 75378725 is about 422.4249834718.

The spelling of 75378725 in words is "seventy-five million, three hundred seventy-eight thousand, seven hundred twenty-five".