2770740 has 96 divisors (see below), whose sum is σ = 9864960. Its totient is φ = 632448.

The previous prime is 2770723. The next prime is 2770753. The reversal of 2770740 is 470772.

It is a happy number.

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 31 ways as a sum of consecutive naturals, for example, 3414 + ... + 4146.

It is an arithmetic number, because the mean of its divisors is an integer number (102760).

2^2770740 is an apocalyptic number.

2770740 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 2770740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4932480).

2770740 is an abundant number, since it is smaller than the sum of its proper divisors (7094220).

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

2770740 is a wasteful number, since it uses less digits than its factorization.

2770740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758 (or 750 counting only the distinct ones).

The product of its (nonzero) digits is 2744, while the sum is 27.

The square root of 2770740 is about 1664.5539943180. The cubic root of 2770740 is about 140.4532926477.

Subtracting from 2770740 its reverse (470772), we obtain a cube (2299968 = 132³).

The spelling of 2770740 in words is "two million, seven hundred seventy thousand, seven hundred forty".