70442077 has 8 divisors (see below), whose sum is σ = 73707840. Its totient is φ = 67193280.

The previous prime is 70442051. The next prime is 70442081. The reversal of 70442077 is 77024407.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70442077 - 2¹⁵ = 70409309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70442027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4677 + ... + 12757.

It is an arithmetic number, because the mean of its divisors is an integer number (9213480).

Almost surely, 2^70442077 is an apocalyptic number.

It is an amenable number.

70442077 is a deficient number, since it is larger than the sum of its proper divisors (3265763).

70442077 is a wasteful number, since it uses less digits than its factorization.

70442077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8483.

The product of its (nonzero) digits is 10976, while the sum is 31.

The square root of 70442077 is about 8392.9778386458. The cubic root of 70442077 is about 412.9942935306.

The spelling of 70442077 in words is "seventy million, four hundred forty-two thousand, seventy-seven".