70473489 has 16 divisors (see below), whose sum is σ = 99098880. Its totient is φ = 44424720.

The previous prime is 70473437. The next prime is 70473503. The reversal of 70473489 is 98437407.

It is not a de Polignac number, because 70473489 - 2¹² = 70469393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70473489.

It is not an unprimeable number, because it can be changed into a prime (70473409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44074 + ... + 45644.

It is an arithmetic number, because the mean of its divisors is an integer number (6193680).

Almost surely, 2^70473489 is an apocalyptic number.

It is an amenable number.

70473489 is a deficient number, since it is larger than the sum of its proper divisors (28625391).

70473489 is a wasteful number, since it uses less digits than its factorization.

70473489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2380.

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 70473489 is about 8394.8489563541. The cubic root of 70473489 is about 413.0556727963.

The spelling of 70473489 in words is "seventy million, four hundred seventy-three thousand, four hundred eighty-nine".