70740407 has 4 divisors (see below), whose sum is σ = 70845576. Its totient is φ = 70635240.

The previous prime is 70740403. The next prime is 70740413. The reversal of 70740407 is 70404707.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70740407 - 2² = 70740403 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70740407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70740403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51569 + ... + 52922.

It is an arithmetic number, because the mean of its divisors is an integer number (17711394).

Almost surely, 2^70740407 is an apocalyptic number.

70740407 is a deficient number, since it is larger than the sum of its proper divisors (105169).

70740407 is a wasteful number, since it uses less digits than its factorization.

70740407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105168.

The product of its (nonzero) digits is 5488, while the sum is 29.

The square root of 70740407 is about 8410.7316566396. The cubic root of 70740407 is about 413.5764979313.

It can be divided in two parts, 707 and 40407, that added together give a palindrome (41114).

The spelling of 70740407 in words is "seventy million, seven hundred forty thousand, four hundred seven".