70350040 has 32 divisors (see below), whose sum is σ = 158554080. Its totient is φ = 28092672.

The previous prime is 70350037. The next prime is 70350041. The reversal of 70350040 is 4005307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70350041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31852 + ... + 33988.

It is an arithmetic number, because the mean of its divisors is an integer number (4954815).

Almost surely, 2^70350040 is an apocalyptic number.

It is an amenable number.

70350040 is an abundant number, since it is smaller than the sum of its proper divisors (88204040).

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

70350040 is a wasteful number, since it uses less digits than its factorization.

70350040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2971 (or 2967 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 70350040 is about 8387.4930700418. The cubic root of 70350040 is about 412.8143474722.

Adding to 70350040 its reverse (4005307), we get a palindrome (74355347).

The spelling of 70350040 in words is "seventy million, three hundred fifty thousand, forty".