7620971 has 4 divisors (see below), whose sum is σ = 7750200. Its totient is φ = 7491744.

The previous prime is 7620959. The next prime is 7620979. The reversal of 7620971 is 1790267.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1790267 = 593 ⋅3019.

It is a cyclic number.

It is not a de Polignac number, because 7620971 - 2¹⁴ = 7604587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7620979) 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, 64526 + ... + 64643.

It is an arithmetic number, because the mean of its divisors is an integer number (1937550).

Almost surely, 2^7620971 is an apocalyptic number.

7620971 is a deficient number, since it is larger than the sum of its proper divisors (129229).

7620971 is a wasteful number, since it uses less digits than its factorization.

7620971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129228.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 7620971 is about 2760.6106208591. The cubic root of 7620971 is about 196.7901860591.

The spelling of 7620971 in words is "seven million, six hundred twenty thousand, nine hundred seventy-one".