70697075428 has 24 divisors (see below), whose sum is σ = 141456593600. Its totient is φ = 30285366048.

The previous prime is 70697075369. The next prime is 70697075429. The reversal of 70697075428 is 82457079607.

It is not an unprimeable number, because it can be changed into a prime (70697075429) 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, 492858 + ... + 619921.

Almost surely, 2^70697075428 is an apocalyptic number.

It is an amenable number.

70697075428 is an abundant number, since it is smaller than the sum of its proper divisors (70759518172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70697075428 is a wasteful number, since it uses less digits than its factorization.

70697075428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115059 (or 1115057 counting only the distinct ones).

The product of its (nonzero) digits is 5927040, while the sum is 55.

The spelling of 70697075428 in words is "seventy billion, six hundred ninety-seven million, seventy-five thousand, four hundred twenty-eight".