70214691 has 4 divisors (see below), whose sum is σ = 93619592. Its totient is φ = 46809792.

The previous prime is 70214689. The next prime is 70214693. The reversal of 70214691 is 19641207.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (70214689) and next prime (70214693).

It is not a de Polignac number, because 70214691 - 2¹ = 70214689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70214693) 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, 11702446 + ... + 11702451.

It is an arithmetic number, because the mean of its divisors is an integer number (23404898).

Almost surely, 2^70214691 is an apocalyptic number.

70214691 is a deficient number, since it is larger than the sum of its proper divisors (23404901).

70214691 is a wasteful number, since it uses less digits than its factorization.

70214691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23404900.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 70214691 is about 8379.4206840330. The cubic root of 70214691 is about 412.5494346631.

Adding to 70214691 its reverse (19641207), we get a palindrome (89855898).

The spelling of 70214691 in words is "seventy million, two hundred fourteen thousand, six hundred ninety-one".