70853930 has 32 divisors (see below), whose sum is σ = 146226816. Its totient is φ = 24214464.

The previous prime is 70853929. The next prime is 70853963. The reversal of 70853930 is 3935807.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22832 + ... + 25748.

It is an arithmetic number, because the mean of its divisors is an integer number (4569588).

Almost surely, 2^70853930 is an apocalyptic number.

70853930 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

70853930 is an abundant number, since it is smaller than the sum of its proper divisors (75372886).

70853930 is a wasteful number, since it uses less digits than its factorization.

70853930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3278.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 70853930 is about 8417.4776506980. The cubic root of 70853930 is about 413.7976131988.

The spelling of 70853930 in words is "seventy million, eight hundred fifty-three thousand, nine hundred thirty".