2973240 has 64 divisors (see below), whose sum is σ = 9914400. Its totient is φ = 792576.

The previous prime is 2973239. The next prime is 2973251. The reversal of 2973240 is 423792.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 297 + ... + 2456.

2^2973240 is an apocalyptic number.

2973240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2973240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4957200).

2973240 is an abundant number, since it is smaller than the sum of its proper divisors (6941160).

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

2973240 is a wasteful number, since it uses less digits than its factorization.

2973240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2773 (or 2763 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 2973240 is about 1724.3085570744. The cubic root of 2973240 is about 143.7948467509.

The spelling of 2973240 in words is "two million, nine hundred seventy-three thousand, two hundred forty".