70232491 has 24 divisors (see below), whose sum is σ = 86205600. Its totient is φ = 56036352.

The previous prime is 70232441. The next prime is 70232509. The reversal of 70232491 is 19423207.

It is not a de Polignac number, because 70232491 - 2¹¹ = 70230443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70232431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 301311 + ... + 301543.

It is an arithmetic number, because the mean of its divisors is an integer number (3591900).

Almost surely, 2^70232491 is an apocalyptic number.

70232491 is a deficient number, since it is larger than the sum of its proper divisors (15973109).

70232491 is a wasteful number, since it uses less digits than its factorization.

70232491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423 (or 406 counting only the distinct ones).

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

The square root of 70232491 is about 8380.4827426587. The cubic root of 70232491 is about 412.5842932727.

Adding to 70232491 its reverse (19423207), we get a palindrome (89655698).

The spelling of 70232491 in words is "seventy million, two hundred thirty-two thousand, four hundred ninety-one".