7091972 has 6 divisors (see below), whose sum is σ = 12410958. Its totient is φ = 3545984.

The previous prime is 7091957. The next prime is 7091999. The reversal of 7091972 is 2791907.

It can be written as a sum of positive squares in only one way, i.e., 7054336 + 37636 = 2656^2 + 194^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 886493 + ... + 886500.

It is an arithmetic number, because the mean of its divisors is an integer number (2068493).

Almost surely, 2^7091972 is an apocalyptic number.

It is an amenable number.

7091972 is a deficient number, since it is larger than the sum of its proper divisors (5318986).

7091972 is a wasteful number, since it uses less digits than its factorization.

7091972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1772997 (or 1772995 counting only the distinct ones).

The product of its (nonzero) digits is 7938, while the sum is 35.

The square root of 7091972 is about 2663.0756654665. The cubic root of 7091972 is about 192.1272666069.

The spelling of 7091972 in words is "seven million, ninety-one thousand, nine hundred seventy-two".