70671630 has 32 divisors (see below), whose sum is σ = 175085568. Its totient is φ = 18237600.

The previous prime is 70671613. The next prime is 70671647. The reversal of 70671630 is 3617607.

It is an interprime number because it is at equal distance from previous prime (70671613) and next prime (70671647).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37066 + ... + 38925.

It is an arithmetic number, because the mean of its divisors is an integer number (5471424).

Almost surely, 2^70671630 is an apocalyptic number.

70671630 is an abundant number, since it is smaller than the sum of its proper divisors (104413938).

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

70671630 is a wasteful number, since it uses less digits than its factorization.

70671630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76032.

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 70671630 is about 8406.6420168817. The cubic root of 70671630 is about 413.4424219232.

The spelling of 70671630 in words is "seventy million, six hundred seventy-one thousand, six hundred thirty".