75648797 has 24 divisors (see below), whose sum is σ = 90616320. Its totient is φ = 62946240.

The previous prime is 75648787. The next prime is 75648799. The reversal of 75648797 is 79784657.

It is not a de Polignac number, because 75648797 - 2²⁴ = 58871581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75648799) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 395972 + ... + 396162.

It is an arithmetic number, because the mean of its divisors is an integer number (3775680).

Almost surely, 2^75648797 is an apocalyptic number.

It is an amenable number.

75648797 is a deficient number, since it is larger than the sum of its proper divisors (14967523).

75648797 is a wasteful number, since it uses less digits than its factorization.

75648797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401 (or 394 counting only the distinct ones).

The product of its digits is 2963520, while the sum is 53.

The square root of 75648797 is about 8697.6316891439. The cubic root of 75648797 is about 422.9288797636.

It can be divided in two parts, 7564 and 8797, that added together give a palindrome (16361).

The spelling of 75648797 in words is "seventy-five million, six hundred forty-eight thousand, seven hundred ninety-seven".