731887413 has 8 divisors (see below), whose sum is σ = 1009500000. Its totient is φ = 471099888.

The previous prime is 731887369. The next prime is 731887423. The reversal of 731887413 is 314788137.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 731887413 - 2¹⁶ = 731821877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (731887423) 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, 4206163 + ... + 4206336.

It is an arithmetic number, because the mean of its divisors is an integer number (126187500).

Almost surely, 2^731887413 is an apocalyptic number.

It is an amenable number.

731887413 is a deficient number, since it is larger than the sum of its proper divisors (277612587).

731887413 is a wasteful number, since it uses less digits than its factorization.

731887413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8412531.

The product of its digits is 112896, while the sum is 42.

The square root of 731887413 is about 27053.4177692949. The cubic root of 731887413 is about 901.1866704628.

It can be divided in two parts, 73188 and 7413, that added together give a triangular number (80601 = T₄₀₁).

The spelling of 731887413 in words is "seven hundred thirty-one million, eight hundred eighty-seven thousand, four hundred thirteen".