101742740 has 24 divisors (see below), whose sum is σ = 233083872. Its totient is φ = 36997280.

The previous prime is 101742709. The next prime is 101742761. The reversal of 101742740 is 47247101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231014 + ... + 231453.

It is an arithmetic number, because the mean of its divisors is an integer number (9711828).

Almost surely, 2^101742740 is an apocalyptic number.

101742740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101742740 is an abundant number, since it is smaller than the sum of its proper divisors (131341132).

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

101742740 is a wasteful number, since it uses less digits than its factorization.

101742740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462487 (or 462485 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 101742740 is about 10086.7606296571. The cubic root of 101742740 is about 466.8397305957.

Adding to 101742740 its reverse (47247101), we get a palindrome (148989841).

The spelling of 101742740 in words is "one hundred one million, seven hundred forty-two thousand, seven hundred forty".