39674730 has 64 divisors (see below), whose sum is σ = 101035008. Its totient is φ = 9953280.

The previous prime is 39674707. The next prime is 39674731. The reversal of 39674730 is 3747693.

It is not an unprimeable number, because it can be changed into a prime (39674731) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33834 + ... + 34986.

It is an arithmetic number, because the mean of its divisors is an integer number (1578672).

Almost surely, 2^39674730 is an apocalyptic number.

39674730 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 39674730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50517504).

39674730 is an abundant number, since it is smaller than the sum of its proper divisors (61360278).

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

39674730 is a wasteful number, since it uses less digits than its factorization.

39674730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231.

The product of its (nonzero) digits is 95256, while the sum is 39.

The square root of 39674730 is about 6298.7879786511. The cubic root of 39674730 is about 341.0656587333.

It can be divided in two parts, 39674 and 730, that added together give a palindrome (40404).

The spelling of 39674730 in words is "thirty-nine million, six hundred seventy-four thousand, seven hundred thirty".