70647028 has 24 divisors (see below), whose sum is σ = 126623840. Its totient is φ = 34477920.

The previous prime is 70647001. The next prime is 70647029. The reversal of 70647028 is 82074607.

It is a junction number, because it is equal to n+sod(n) for n = 70646984 and 70647002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70647029) 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, 32875 + ... + 34957.

Almost surely, 2^70647028 is an apocalyptic number.

It is an amenable number.

70647028 is a deficient number, since it is larger than the sum of its proper divisors (55976812).

70647028 is a wasteful number, since it uses less digits than its factorization.

70647028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2287 (or 2285 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 70647028 is about 8405.1786417660. The cubic root of 70647028 is about 413.3944409018.

The spelling of 70647028 in words is "seventy million, six hundred forty-seven thousand, twenty-eight".