7628950731 has 4 divisors (see below), whose sum is σ = 10171934312. Its totient is φ = 5085967152.

The previous prime is 7628950711. The next prime is 7628950741. The reversal of 7628950731 is 1370598267.

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

It is not a de Polignac number, because 7628950731 - 2¹³ = 7628942539 is a prime.

It is a super-2 number, since 2×7628950731² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7628950711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1271491786 + ... + 1271491791.

It is an arithmetic number, because the mean of its divisors is an integer number (2542983578).

Almost surely, 2^7628950731 is an apocalyptic number.

7628950731 is a deficient number, since it is larger than the sum of its proper divisors (2542983581).

7628950731 is a wasteful number, since it uses less digits than its factorization.

7628950731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2542983580.

The product of its (nonzero) digits is 635040, while the sum is 48.

The square root of 7628950731 is about 87343.8648732697. The cubic root of 7628950731 is about 1968.5884681902.

The spelling of 7628950731 in words is "seven billion, six hundred twenty-eight million, nine hundred fifty thousand, seven hundred thirty-one".