70377431 has 8 divisors (see below), whose sum is σ = 71608320. Its totient is φ = 69157368.

The previous prime is 70377427. The next prime is 70377449. The reversal of 70377431 is 13477307.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70377431 - 2² = 70377427 is a prime.

It is a super-2 number, since 2×70377431² = 9905965588319522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70377451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11000 + ... + 16178.

It is an arithmetic number, because the mean of its divisors is an integer number (8951040).

Almost surely, 2^70377431 is an apocalyptic number.

70377431 is a deficient number, since it is larger than the sum of its proper divisors (1230889).

70377431 is a wasteful number, since it uses less digits than its factorization.

70377431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5413.

The product of its (nonzero) digits is 12348, while the sum is 32.

The square root of 70377431 is about 8389.1257589811. The cubic root of 70377431 is about 412.8679173569.

The spelling of 70377431 in words is "seventy million, three hundred seventy-seven thousand, four hundred thirty-one".