70072259 has 4 divisors (see below), whose sum is σ = 70119216. Its totient is φ = 70025304.

The previous prime is 70072229. The next prime is 70072279. The reversal of 70072259 is 95227007.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70072259 - 2¹⁶ = 70006723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70072229) 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, 21164 + ... + 24249.

It is an arithmetic number, because the mean of its divisors is an integer number (17529804).

Almost surely, 2^70072259 is an apocalyptic number.

70072259 is a deficient number, since it is larger than the sum of its proper divisors (46957).

70072259 is a wasteful number, since it uses less digits than its factorization.

70072259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46956.

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 70072259 is about 8370.9174527049. The cubic root of 70072259 is about 412.2702907157.

The spelling of 70072259 in words is "seventy million, seventy-two thousand, two hundred fifty-nine".