70023541 has 4 divisors (see below), whose sum is σ = 80026912. Its totient is φ = 60020172.

The previous prime is 70023533. The next prime is 70023557. The reversal of 70023541 is 14532007.

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, and also an emirpimes, since its reverse is a distinct semiprime: 14532007 = 7 ⋅2076001.

It is a cyclic number.

It is not a de Polignac number, because 70023541 - 2³ = 70023533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70023511) 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, 5001675 + ... + 5001688.

It is an arithmetic number, because the mean of its divisors is an integer number (20006728).

Almost surely, 2^70023541 is an apocalyptic number.

It is an amenable number.

70023541 is a deficient number, since it is larger than the sum of its proper divisors (10003371).

70023541 is a wasteful number, since it uses less digits than its factorization.

70023541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10003370.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 70023541 is about 8368.0069909149. The cubic root of 70023541 is about 412.1747244111.

Adding to 70023541 its reverse (14532007), we get a palindrome (84555548).

The spelling of 70023541 in words is "seventy million, twenty-three thousand, five hundred forty-one".