7649951 has 6 divisors (see below), whose sum is σ = 8074152. Its totient is φ = 7246980.

The previous prime is 7649933. The next prime is 7649953. The reversal of 7649951 is 1599467.

It is not a de Polignac number, because 7649951 - 2¹⁴ = 7633567 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7649899 and 7649908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7649953) 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, 10235 + ... + 10956.

It is an arithmetic number, because the mean of its divisors is an integer number (1345692).

Almost surely, 2^7649951 is an apocalyptic number.

7649951 is a deficient number, since it is larger than the sum of its proper divisors (424201).

7649951 is a wasteful number, since it uses less digits than its factorization.

7649951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21229 (or 21210 counting only the distinct ones).

The product of its digits is 68040, while the sum is 41.

The square root of 7649951 is about 2765.8544791800. The cubic root of 7649951 is about 197.0393129304.

The spelling of 7649951 in words is "seven million, six hundred forty-nine thousand, nine hundred fifty-one".