75897620 has 24 divisors (see below), whose sum is σ = 160461000. Its totient is φ = 30154112.

The previous prime is 75897617. The next prime is 75897637. The reversal of 75897620 is 2679857.

It can be written as a sum of positive squares in 4 ways, for example, as 4866436 + 71031184 = 2206^2 + 8428^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9755 + ... + 15714.

It is an arithmetic number, because the mean of its divisors is an integer number (6685875).

Almost surely, 2^75897620 is an apocalyptic number.

It is an amenable number.

75897620 is an abundant number, since it is smaller than the sum of its proper divisors (84563380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75897620 is a wasteful number, since it uses less digits than its factorization.

75897620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25627 (or 25625 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 75897620 is about 8711.9240125244. The cubic root of 75897620 is about 423.3920696121.

The spelling of 75897620 in words is "seventy-five million, eight hundred ninety-seven thousand, six hundred twenty".