73148670 has 240 divisors, whose sum is σ = 243326160. Its totient is φ = 15676416.

The previous prime is 73148659. The next prime is 73148681. The reversal of 73148670 is 7684137.

It is an interprime number because it is at equal distance from previous prime (73148659) and next prime (73148681).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 754062 + ... + 754158.

It is an arithmetic number, because the mean of its divisors is an integer number (1013859).

Almost surely, 2^73148670 is an apocalyptic number.

73148670 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 73148670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121663080).

73148670 is an abundant number, since it is smaller than the sum of its proper divisors (170177490).

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

73148670 is a wasteful number, since it uses less digits than its factorization.

73148670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 73148670 is about 8552.6995738188. The cubic root of 73148670 is about 418.2174452232.

The spelling of 73148670 in words is "seventy-three million, one hundred forty-eight thousand, six hundred seventy".