16742940 has 48 divisors (see below), whose sum is σ = 47180448. Its totient is φ = 4436224.

The previous prime is 16742939. The next prime is 16742941. The reversal of 16742940 is 4924761.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (16742939) and next prime (16742941).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16742941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9574 + ... + 11186.

It is an arithmetic number, because the mean of its divisors is an integer number (982926).

Almost surely, 2^16742940 is an apocalyptic number.

16742940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16742940 is an abundant number, since it is smaller than the sum of its proper divisors (30437508).

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

16742940 is a wasteful number, since it uses less digits than its factorization.

16742940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1798 (or 1796 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 16742940 is about 4091.8137787539. The cubic root of 16742940 is about 255.8255443899.

The spelling of 16742940 in words is "sixteen million, seven hundred forty-two thousand, nine hundred forty".