70154420 has 24 divisors (see below), whose sum is σ = 168370944. Its totient is φ = 24052896.

The previous prime is 70154417. The next prime is 70154423. The reversal of 70154420 is 2445107.

It is an interprime number because it is at equal distance from previous prime (70154417) and next prime (70154423).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70154423) 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, 250412 + ... + 250691.

It is an arithmetic number, because the mean of its divisors is an integer number (7015456).

Almost surely, 2^70154420 is an apocalyptic number.

70154420 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

70154420 is an abundant number, since it is smaller than the sum of its proper divisors (98216524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70154420 is a wasteful number, since it uses less digits than its factorization.

70154420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501119 (or 501117 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 70154420 is about 8375.8235415988. The cubic root of 70154420 is about 412.4313592552.

Adding to 70154420 its reverse (2445107), we get a palindrome (72599527).

The spelling of 70154420 in words is "seventy million, one hundred fifty-four thousand, four hundred twenty".