70480477 has 4 divisors (see below), whose sum is σ = 70511836. Its totient is φ = 70449120.

The previous prime is 70480471. The next prime is 70480507. The reversal of 70480477 is 77408407.

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

It can be written as a sum of positive squares in 2 ways, for example, as 60310756 + 10169721 = 7766^2 + 3189^2 .

It is a cyclic number.

It is not a de Polignac number, because 70480477 - 2¹⁵ = 70447709 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 (70480471) 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, 12024 + ... + 16897.

It is an arithmetic number, because the mean of its divisors is an integer number (17627959).

Almost surely, 2^70480477 is an apocalyptic number.

It is an amenable number.

70480477 is a deficient number, since it is larger than the sum of its proper divisors (31359).

70480477 is a wasteful number, since it uses less digits than its factorization.

70480477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31358.

The product of its (nonzero) digits is 43904, while the sum is 37.

The square root of 70480477 is about 8395.2651536446. The cubic root of 70480477 is about 413.0693249166.

The spelling of 70480477 in words is "seventy million, four hundred eighty thousand, four hundred seventy-seven".