7897475 has 6 divisors (see below), whose sum is σ = 9792900. Its totient is φ = 6317960.

The previous prime is 7897471. The next prime is 7897481. The reversal of 7897475 is 5747987.

It is not a de Polignac number, because 7897475 - 2² = 7897471 is a prime.

It is a super-2 number, since 2×7897475² = 124740222751250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7897471) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 157925 + ... + 157974.

It is an arithmetic number, because the mean of its divisors is an integer number (1632150).

Almost surely, 2^7897475 is an apocalyptic number.

7897475 is a deficient number, since it is larger than the sum of its proper divisors (1895425).

7897475 is a wasteful number, since it uses less digits than its factorization.

7897475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315909 (or 315904 counting only the distinct ones).

The product of its digits is 493920, while the sum is 47.

The square root of 7897475 is about 2810.2446512715. The cubic root of 7897475 is about 199.1419490070.

It can be divided in two parts, 78 and 97475, that multiplied together give a triangular number (7603050 = T₃₈₉₉).

The spelling of 7897475 in words is "seven million, eight hundred ninety-seven thousand, four hundred seventy-five".