76403475 has 72 divisors (see below), whose sum is σ = 143629200. Its totient is φ = 38787840.

The previous prime is 76403473. The next prime is 76403477. The reversal of 76403475 is 57430467.

76403475 is a `hidden beast` number, since 7 + 640 + 3 + 4 + 7 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (76403473) and next prime (76403477).

It is not a de Polignac number, because 76403475 - 2¹ = 76403473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (76403473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 512701 + ... + 512849.

It is an arithmetic number, because the mean of its divisors is an integer number (1994850).

Almost surely, 2^76403475 is an apocalyptic number.

76403475 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

76403475 is a deficient number, since it is larger than the sum of its proper divisors (67225725).

76403475 is a wasteful number, since it uses less digits than its factorization.

76403475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The square root of 76403475 is about 8740.9081335980. The cubic root of 76403475 is about 424.3306187017.

The spelling of 76403475 in words is "seventy-six million, four hundred three thousand, four hundred seventy-five".