70199830 has 16 divisors (see below), whose sum is σ = 128140704. Its totient is φ = 27684160.

The previous prime is 70199791. The next prime is 70199839. The reversal of 70199830 is 3899107.

It is a super-2 number, since 2×70199830² = 9856032264057800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 70199830.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70199839) 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, 48727 + ... + 50146.

It is an arithmetic number, because the mean of its divisors is an integer number (8008794).

Almost surely, 2^70199830 is an apocalyptic number.

70199830 is a deficient number, since it is larger than the sum of its proper divisors (57940874).

70199830 is a wasteful number, since it uses less digits than its factorization.

70199830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98951.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 70199830 is about 8378.5338812945. The cubic root of 70199830 is about 412.5203271281.

The spelling of 70199830 in words is "seventy million, one hundred ninety-nine thousand, eight hundred thirty".