70490777 has 8 divisors (see below), whose sum is σ = 80658816. Its totient is φ = 60347232.

The previous prime is 70490743. The next prime is 70490801. The reversal of 70490777 is 77709407.

It is a happy number.

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 70490777 - 2⁶ = 70490713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70493777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 533 + ... + 11885.

It is an arithmetic number, because the mean of its divisors is an integer number (10082352).

Almost surely, 2^70490777 is an apocalyptic number.

It is an amenable number.

70490777 is a deficient number, since it is larger than the sum of its proper divisors (10168039).

70490777 is a wasteful number, since it uses less digits than its factorization.

70490777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12247.

The product of its (nonzero) digits is 86436, while the sum is 41.

The square root of 70490777 is about 8395.8785722520. The cubic root of 70490777 is about 413.0894458872.

The spelling of 70490777 in words is "seventy million, four hundred ninety thousand, seven hundred seventy-seven".