75372007 has 4 divisors (see below), whose sum is σ = 76149136. Its totient is φ = 74594880.

The previous prime is 75371971. The next prime is 75372019. The reversal of 75372007 is 70027357.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70027357 = 31 ⋅2258947.

It is a cyclic number.

It is not a de Polignac number, because 75372007 - 2¹⁵ = 75339239 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 75372007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75372047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 388419 + ... + 388612.

It is an arithmetic number, because the mean of its divisors is an integer number (19037284).

Almost surely, 2^75372007 is an apocalyptic number.

75372007 is a deficient number, since it is larger than the sum of its proper divisors (777129).

75372007 is an equidigital number, since it uses as much as digits as its factorization.

75372007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777128.

The product of its (nonzero) digits is 10290, while the sum is 31.

The square root of 75372007 is about 8681.7053048350. The cubic root of 75372007 is about 422.4124337975.

The spelling of 75372007 in words is "seventy-five million, three hundred seventy-two thousand, seven".