70494320 has 40 divisors (see below), whose sum is σ = 176509536. Its totient is φ = 26028288.

The previous prime is 70494311. The next prime is 70494323. The reversal of 70494320 is 2349407.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70494323) 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 7 ways as a sum of consecutive naturals, for example, 32852 + ... + 34931.

Almost surely, 2^70494320 is an apocalyptic number.

It is an amenable number.

70494320 is an abundant number, since it is smaller than the sum of its proper divisors (106015216).

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

70494320 is a wasteful number, since it uses less digits than its factorization.

70494320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67809 (or 67803 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 70494320 is about 8396.0895659825. The cubic root of 70494320 is about 413.0963666573.

The spelling of 70494320 in words is "seventy million, four hundred ninety-four thousand, three hundred twenty".