7752506397 has 4 divisors (see below), whose sum is σ = 10336675200. Its totient is φ = 5168337596.

The previous prime is 7752506393. The next prime is 7752506423. The reversal of 7752506397 is 7936052577.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7752506397 - 2² = 7752506393 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7752506393) 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, 1292084397 + ... + 1292084402.

It is an arithmetic number, because the mean of its divisors is an integer number (2584168800).

Almost surely, 2^7752506397 is an apocalyptic number.

It is an amenable number.

7752506397 is a deficient number, since it is larger than the sum of its proper divisors (2584168803).

7752506397 is a wasteful number, since it uses less digits than its factorization.

7752506397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2584168802.

The product of its (nonzero) digits is 2778300, while the sum is 51.

The square root of 7752506397 is about 88048.3185359039. The cubic root of 7752506397 is about 1979.1591162047.

The spelling of 7752506397 in words is "seven billion, seven hundred fifty-two million, five hundred six thousand, three hundred ninety-seven".