76870403 has 2 divisors, whose sum is σ = 76870404. Its totient is φ = 76870402.

The previous prime is 76870363. The next prime is 76870411. The reversal of 76870403 is 30407867.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 76870403 - 2²⁰ = 75821827 is a prime.

It is not a weakly prime, because it can be changed into another prime (76870103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38435201 + 38435202.

It is an arithmetic number, because the mean of its divisors is an integer number (38435202).

Almost surely, 2^76870403 is an apocalyptic number.

76870403 is a deficient number, since it is larger than the sum of its proper divisors (1).

76870403 is an equidigital number, since it uses as much as digits as its factorization.

76870403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 76870403 is about 8767.5768031994. The cubic root of 76870403 is about 425.1932740306.

The spelling of 76870403 in words is "seventy-six million, eight hundred seventy thousand, four hundred three".