7672949 has 4 divisors (see below), whose sum is σ = 7880364. Its totient is φ = 7465536.

The previous prime is 7672943. The next prime is 7672981. The reversal of 7672949 is 9492767.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6853924 + 819025 = 2618^2 + 905^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7672949 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7672943) 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, 103652 + ... + 103725.

It is an arithmetic number, because the mean of its divisors is an integer number (1970091).

Almost surely, 2^7672949 is an apocalyptic number.

It is an amenable number.

7672949 is a deficient number, since it is larger than the sum of its proper divisors (207415).

7672949 is a wasteful number, since it uses less digits than its factorization.

7672949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207414.

The product of its digits is 190512, while the sum is 44.

The square root of 7672949 is about 2770.0088447512. The cubic root of 7672949 is about 197.2365680793.

It can be divided in two parts, 76729 and 49, that multiplied together give a square (3759721 = 1939²).

The spelling of 7672949 in words is "seven million, six hundred seventy-two thousand, nine hundred forty-nine".