153729740 has 24 divisors (see below), whose sum is σ = 323070720. Its totient is φ = 61446528.

The previous prime is 153729739. The next prime is 153729743. The reversal of 153729740 is 47927351.

153729740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 153729694 and 153729703.

It is not an unprimeable number, because it can be changed into a prime (153729743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43064 + ... + 46496.

It is an arithmetic number, because the mean of its divisors is an integer number (13461280).

Almost surely, 2^153729740 is an apocalyptic number.

153729740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

153729740 is an abundant number, since it is smaller than the sum of its proper divisors (169340980).

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

153729740 is a wasteful number, since it uses less digits than its factorization.

153729740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5681 (or 5679 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 153729740 is about 12398.7797786718. The cubic root of 153729740 is about 535.6971027547.

The spelling of 153729740 in words is "one hundred fifty-three million, seven hundred twenty-nine thousand, seven hundred forty".