70473479 has 4 divisors (see below), whose sum is σ = 70533360. Its totient is φ = 70413600.

The previous prime is 70473437. The next prime is 70473503. The reversal of 70473479 is 97437407.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70473479 is a prime.

It is a super-2 number, since 2×70473479² = 9933022484726882, 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 (70473409) 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 3 ways as a sum of consecutive naturals, for example, 28139 + ... + 30540.

It is an arithmetic number, because the mean of its divisors is an integer number (17633340).

Almost surely, 2^70473479 is an apocalyptic number.

70473479 is a deficient number, since it is larger than the sum of its proper divisors (59881).

70473479 is a wasteful number, since it uses less digits than its factorization.

70473479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59880.

The product of its (nonzero) digits is 148176, while the sum is 41.

The square root of 70473479 is about 8394.8483607508. The cubic root of 70473479 is about 413.0556532592.

The spelling of 70473479 in words is "seventy million, four hundred seventy-three thousand, four hundred seventy-nine".