7481672331 has 16 divisors (see below), whose sum is σ = 11408327424. Its totient is φ = 4272359904.

The previous prime is 7481672291. The next prime is 7481672347. The reversal of 7481672331 is 1332761847.

It is not a de Polignac number, because 7481672331 - 2¹⁵ = 7481639563 is a prime.

It is a super-2 number, since 2×7481672331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7481672381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87961 + ... + 150666.

It is an arithmetic number, because the mean of its divisors is an integer number (713020464).

Almost surely, 2^7481672331 is an apocalyptic number.

7481672331 is a deficient number, since it is larger than the sum of its proper divisors (3926655093).

7481672331 is a wasteful number, since it uses less digits than its factorization.

7481672331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240130.

The product of its digits is 169344, while the sum is 42.

The square root of 7481672331 is about 86496.6608083803. The cubic root of 7481672331 is about 1955.8380667399.

The spelling of 7481672331 in words is "seven billion, four hundred eighty-one million, six hundred seventy-two thousand, three hundred thirty-one".