70494372 has 144 divisors (see below), whose sum is σ = 204492288. Its totient is φ = 20321280.

The previous prime is 70494371. The next prime is 70494373. The reversal of 70494372 is 27349407.

It is an interprime number because it is at equal distance from previous prime (70494371) and next prime (70494373).

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

It is not an unprimeable number, because it can be changed into a prime (70494371) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 623788 + ... + 623900.

Almost surely, 2^70494372 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70494372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102246144).

70494372 is an abundant number, since it is smaller than the sum of its proper divisors (133997916).

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

70494372 is a wasteful number, since it uses less digits than its factorization.

70494372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 70494372 is about 8396.0926626616. The cubic root of 70494372 is about 413.0964682305.

The spelling of 70494372 in words is "seventy million, four hundred ninety-four thousand, three hundred seventy-two".