70245944 has 8 divisors (see below), whose sum is σ = 131711160. Its totient is φ = 35122968.

The previous prime is 70245937. The next prime is 70245947. The reversal of 70245944 is 44954207.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×70245944² = 9868985296902272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70245947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4390364 + ... + 4390379.

It is an arithmetic number, because the mean of its divisors is an integer number (16463895).

Almost surely, 2^70245944 is an apocalyptic number.

It is an amenable number.

70245944 is a deficient number, since it is larger than the sum of its proper divisors (61465216).

70245944 is a wasteful number, since it uses less digits than its factorization.

70245944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8780749 (or 8780745 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 70245944 is about 8381.2853429531. The cubic root of 70245944 is about 412.6106350320.

The spelling of 70245944 in words is "seventy million, two hundred forty-five thousand, nine hundred forty-four".