732870091 has 4 divisors (see below), whose sum is σ = 764734032. Its totient is φ = 701006152.

The previous prime is 732870067. The next prime is 732870097. The reversal of 732870091 is 190078237.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 190078237 = 389 ⋅488633.

It is a cyclic number.

It is not a de Polignac number, because 732870091 - 2²⁹ = 195999179 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 732870091.

It is not an unprimeable number, because it can be changed into a prime (732870097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15931936 + ... + 15931981.

It is an arithmetic number, because the mean of its divisors is an integer number (191183508).

Almost surely, 2^732870091 is an apocalyptic number.

732870091 is a deficient number, since it is larger than the sum of its proper divisors (31863941).

732870091 is a wasteful number, since it uses less digits than its factorization.

732870091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31863940.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 732870091 is about 27071.5734858541. The cubic root of 732870091 is about 901.5898200234.

The spelling of 732870091 in words is "seven hundred thirty-two million, eight hundred seventy thousand, ninety-one".