70270992 has 180 divisors, whose sum is σ = 224043820. Its totient is φ = 20528640.

The previous prime is 70270961. The next prime is 70270997. The reversal of 70270992 is 29907207.

It can be written as a sum of positive squares in 2 ways, for example, as 56610576 + 13660416 = 7524^2 + 3696^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70270997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 644634 + ... + 644742.

Almost surely, 2^70270992 is an apocalyptic number.

70270992 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70270992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112021910).

70270992 is an abundant number, since it is smaller than the sum of its proper divisors (153772828).

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

70270992 is a wasteful number, since it uses less digits than its factorization.

70270992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 162 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 36.

The square root of 70270992 is about 8382.7794913143. The cubic root of 70270992 is about 412.6596715193.

The spelling of 70270992 in words is "seventy million, two hundred seventy thousand, nine hundred ninety-two".