3040752621 has 4 divisors (see below), whose sum is σ = 4054336832. Its totient is φ = 2027168412.

The previous prime is 3040752619. The next prime is 3040752629. The reversal of 3040752621 is 1262570403.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3040752621 - 2¹ = 3040752619 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3040752629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 506792101 + ... + 506792106.

It is an arithmetic number, because the mean of its divisors is an integer number (1013584208).

Almost surely, 2^3040752621 is an apocalyptic number.

It is an amenable number.

3040752621 is a deficient number, since it is larger than the sum of its proper divisors (1013584211).

3040752621 is a wasteful number, since it uses less digits than its factorization.

3040752621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013584210.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 3040752621 is about 55143.0196942460. The cubic root of 3040752621 is about 1448.7508260094.

It can be divided in two parts, 30407 and 52621, that added together give a triangular number (83028 = T₄₀₇).

The spelling of 3040752621 in words is "three billion, forty million, seven hundred fifty-two thousand, six hundred twenty-one".