70740380 has 12 divisors (see below), whose sum is σ = 148554840. Its totient is φ = 28296144.

The previous prime is 70740379. The next prime is 70740389. The reversal of 70740380 is 8304707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70740389) 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, 1768490 + ... + 1768529.

It is an arithmetic number, because the mean of its divisors is an integer number (12379570).

Almost surely, 2^70740380 is an apocalyptic number.

It is an amenable number.

70740380 is an abundant number, since it is smaller than the sum of its proper divisors (77814460).

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

70740380 is a wasteful number, since it uses less digits than its factorization.

70740380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3537028 (or 3537026 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 70740380 is about 8410.7300515472. The cubic root of 70740380 is about 413.5764453137.

The spelling of 70740380 in words is "seventy million, seven hundred forty thousand, three hundred eighty".