70381477 has 4 divisors (see below), whose sum is σ = 70608096. Its totient is φ = 70154860.

The previous prime is 70381433. The next prime is 70381481. The reversal of 70381477 is 77418307.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70381477 - 2⁷ = 70381349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70381177) 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, 112843 + ... + 113464.

It is an arithmetic number, because the mean of its divisors is an integer number (17652024).

Almost surely, 2^70381477 is an apocalyptic number.

It is an amenable number.

70381477 is a deficient number, since it is larger than the sum of its proper divisors (226619).

70381477 is a wasteful number, since it uses less digits than its factorization.

70381477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226618.

The product of its (nonzero) digits is 32928, while the sum is 37.

The square root of 70381477 is about 8389.3669010242. The cubic root of 70381477 is about 412.8758291337.

It can be divided in two parts, 703814 and 77, that added together give a triangular number (703891 = T₁₁₈₆).

The spelling of 70381477 in words is "seventy million, three hundred eighty-one thousand, four hundred seventy-seven".