70178972 has 12 divisors (see below), whose sum is σ = 123215400. Its totient is φ = 34974576.

The previous prime is 70178971. The next prime is 70178981. The reversal of 70178972 is 27987107.

It is a super-2 number, since 2×70178972² = 9850176221953568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70178971) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 27347 + ... + 29802.

It is an arithmetic number, because the mean of its divisors is an integer number (10267950).

Almost surely, 2^70178972 is an apocalyptic number.

It is an amenable number.

70178972 is a deficient number, since it is larger than the sum of its proper divisors (53036428).

70178972 is a wasteful number, since it uses less digits than its factorization.

70178972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57460 (or 57458 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 41.

The square root of 70178972 is about 8377.2890603106. The cubic root of 70178972 is about 412.4794666241.

The spelling of 70178972 in words is "seventy million, one hundred seventy-eight thousand, nine hundred seventy-two".