736696531 has 2 divisors, whose sum is σ = 736696532. Its totient is φ = 736696530.

The previous prime is 736696469. The next prime is 736696553. The reversal of 736696531 is 135696637.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 736696531 - 2⁷ = 736696403 is a prime.

It is a super-2 number, since 2×736696531² = 1085443557574867922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (736696561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 368348265 + 368348266.

It is an arithmetic number, because the mean of its divisors is an integer number (368348266).

Almost surely, 2^736696531 is an apocalyptic number.

736696531 is a deficient number, since it is larger than the sum of its proper divisors (1).

736696531 is an equidigital number, since it uses as much as digits as its factorization.

736696531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 612360, while the sum is 46.

The square root of 736696531 is about 27142.1541333771. The cubic root of 736696531 is about 903.1562152196.

It can be divided in two parts, 73669 and 6531, that added together give a triangular number (80200 = T₄₀₀).

The spelling of 736696531 in words is "seven hundred thirty-six million, six hundred ninety-six thousand, five hundred thirty-one".