70273740 has 48 divisors (see below), whose sum is σ = 205325568. Its totient is φ = 17924544.

The previous prime is 70273703. The next prime is 70273747. The reversal of 70273740 is 4737207.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 70273698 and 70273707.

It is not an unprimeable number, because it can be changed into a prime (70273747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24082 + ... + 26841.

It is an arithmetic number, because the mean of its divisors is an integer number (4277616).

Almost surely, 2^70273740 is an apocalyptic number.

It is an amenable number.

70273740 is an abundant number, since it is smaller than the sum of its proper divisors (135051828).

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

70273740 is a wasteful number, since it uses less digits than its factorization.

70273740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50958 (or 50956 counting only the distinct ones).

The product of its (nonzero) digits is 8232, while the sum is 30.

The square root of 70273740 is about 8382.9433971607. The cubic root of 70273740 is about 412.6650505715.

The spelling of 70273740 in words is "seventy million, two hundred seventy-three thousand, seven hundred forty".