70385630 has 32 divisors (see below), whose sum is σ = 145774080. Its totient is φ = 23968800.

The previous prime is 70385629. The next prime is 70385641. The reversal of 70385630 is 3658307.

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

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 15 ways as a sum of consecutive naturals, for example, 7241 + ... + 13899.

It is an arithmetic number, because the mean of its divisors is an integer number (4555440).

Almost surely, 2^70385630 is an apocalyptic number.

70385630 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

70385630 is an abundant number, since it is smaller than the sum of its proper divisors (75388450).

70385630 is a wasteful number, since it uses less digits than its factorization.

70385630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6824.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 70385630 is about 8389.6144130705. The cubic root of 70385630 is about 412.8839498290.

The spelling of 70385630 in words is "seventy million, three hundred eighty-five thousand, six hundred thirty".