70149030 has 32 divisors (see below), whose sum is σ = 192409344. Its totient is φ = 16034016.

The previous prime is 70149029. The next prime is 70149041. The reversal of 70149030 is 3094107.

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 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, 166812 + ... + 167231.

It is an arithmetic number, because the mean of its divisors is an integer number (6012792).

Almost surely, 2^70149030 is an apocalyptic number.

70149030 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

70149030 is an abundant number, since it is smaller than the sum of its proper divisors (122260314).

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

70149030 is a wasteful number, since it uses less digits than its factorization.

70149030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334060.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 70149030 is about 8375.5017760132. The cubic root of 70149030 is about 412.4207965472.

It can be divided in two parts, 701490 and 30, that added together give a triangular number (701520 = T₁₁₈₄).

The spelling of 70149030 in words is "seventy million, one hundred forty-nine thousand, thirty".