74613000 has 512 divisors, whose sum is σ = 323481600. Its totient is φ = 13824000.

The previous prime is 74612987. The next prime is 74613031. The reversal of 74613000 is 31647.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3926991 + ... + 3927009.

It is an arithmetic number, because the mean of its divisors is an integer number (631800).

Almost surely, 2^74613000 is an apocalyptic number.

74613000 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74613000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161740800).

74613000 is an abundant number, since it is smaller than the sum of its proper divisors (248868600).

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

74613000 is a wasteful number, since it uses less digits than its factorization.

74613000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78 (or 64 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 74613000 is about 8637.8816847651. The cubic root of 74613000 is about 420.9897293643.

Adding to 74613000 its reverse (31647), we get a palindrome (74644647).

The spelling of 74613000 in words is "seventy-four million, six hundred thirteen thousand".