731402041 has 4 divisors (see below), whose sum is σ = 731611792. Its totient is φ = 731192292.

The previous prime is 731402029. The next prime is 731402053. The reversal of 731402041 is 140204137.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (731402029) and next prime (731402053).

It is a cyclic number.

It is not a de Polignac number, because 731402041 - 2¹⁵ = 731369273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (731402071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99555 + ... + 106648.

It is an arithmetic number, because the mean of its divisors is an integer number (182902948).

Almost surely, 2^731402041 is an apocalyptic number.

It is an amenable number.

731402041 is a deficient number, since it is larger than the sum of its proper divisors (209751).

731402041 is a wasteful number, since it uses less digits than its factorization.

731402041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209750.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 731402041 is about 27044.4456589519. The cubic root of 731402041 is about 900.9874105319.

Adding to 731402041 its reverse (140204137), we get a palindrome (871606178).

The spelling of 731402041 in words is "seven hundred thirty-one million, four hundred two thousand, forty-one".