731402029 has 2 divisors, whose sum is σ = 731402030. Its totient is φ = 731402028.

The previous prime is 731401973. The next prime is 731402053. The reversal of 731402029 is 920204137.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 685025929 + 46376100 = 26173^2 + 6810^2 .

It is an emirp because it is prime and its reverse (920204137) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 731402029 - 2²⁵ = 697847597 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 731401988 and 731402006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (731402429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365701014 + 365701015.

It is an arithmetic number, because the mean of its divisors is an integer number (365701015).

Almost surely, 2^731402029 is an apocalyptic number.

It is an amenable number.

731402029 is a deficient number, since it is larger than the sum of its proper divisors (1).

731402029 is an equidigital number, since it uses as much as digits as its factorization.

731402029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 731402029 is about 27044.4454370948. The cubic root of 731402029 is about 900.9874056044.

The spelling of 731402029 in words is "seven hundred thirty-one million, four hundred two thousand, twenty-nine".