2507742 has 24 divisors (see below), whose sum is σ = 5481216. Its totient is φ = 828576.

The previous prime is 2507737. The next prime is 2507767. The reversal of 2507742 is 2477052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1738 + ... + 2834.

It is an arithmetic number, because the mean of its divisors is an integer number (228384).

2^2507742 is an apocalyptic number.

2507742 is an abundant number, since it is smaller than the sum of its proper divisors (2973474).

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

2507742 is a wasteful number, since it uses less digits than its factorization.

2507742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232 (or 1229 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 2507742 is about 1583.5851729541. The cubic root of 2507742 is about 135.8608365986.

It can be divided in two parts, 2507 and 742, that added together give a square (3249 = 57²).

The spelling of 2507742 in words is "two million, five hundred seven thousand, seven hundred forty-two".