70628030 has 64 divisors (see below), whose sum is σ = 148366080. Its totient is φ = 23923200.

The previous prime is 70628023. The next prime is 70628053. The reversal of 70628030 is 3082607.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 334625 + ... + 334835.

It is an arithmetic number, because the mean of its divisors is an integer number (2318220).

Almost surely, 2^70628030 is an apocalyptic number.

70628030 is an abundant number, since it is smaller than the sum of its proper divisors (77738050).

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

70628030 is a wasteful number, since it uses less digits than its factorization.

70628030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 70628030 is about 8404.0484291798. The cubic root of 70628030 is about 413.3573816798.

The spelling of 70628030 in words is "seventy million, six hundred twenty-eight thousand, thirty".