70054509 has 16 divisors (see below), whose sum is σ = 107809920. Its totient is φ = 39633600.

The previous prime is 70054489. The next prime is 70054529. The reversal of 70054509 is 90545007.

It is an interprime number because it is at equal distance from previous prime (70054489) and next prime (70054529).

It is not a de Polignac number, because 70054509 - 2¹⁶ = 69988973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70054529) 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, 14394 + ... + 18635.

It is an arithmetic number, because the mean of its divisors is an integer number (6738120).

Almost surely, 2^70054509 is an apocalyptic number.

It is an amenable number.

70054509 is a deficient number, since it is larger than the sum of its proper divisors (37755411).

70054509 is a wasteful number, since it uses less digits than its factorization.

70054509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33140.

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 70054509 is about 8369.8571672401. The cubic root of 70054509 is about 412.2354770545.

The spelling of 70054509 in words is "seventy million, fifty-four thousand, five hundred nine".