76473890 has 16 divisors (see below), whose sum is σ = 137854008. Its totient is φ = 30544896.

The previous prime is 76473889. The next prime is 76473893. The reversal of 76473890 is 9837467.

It can be written as a sum of positive squares in 4 ways, for example, as 76090729 + 383161 = 8723^2 + 619^2 .

It is not an unprimeable number, because it can be changed into a prime (76473893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2114 + ... + 12546.

Almost surely, 2^76473890 is an apocalyptic number.

76473890 is a deficient number, since it is larger than the sum of its proper divisors (61380118).

76473890 is a wasteful number, since it uses less digits than its factorization.

76473890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11173.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 76473890 is about 8744.9351055339. The cubic root of 76473890 is about 424.4609359249.

The spelling of 76473890 in words is "seventy-six million, four hundred seventy-three thousand, eight hundred ninety".