7542400741 has 4 divisors (see below), whose sum is σ = 7870331232. Its totient is φ = 7214470252.

The previous prime is 7542400739. The next prime is 7542400763. The reversal of 7542400741 is 1470042457.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1470042457 = 13 ⋅113080189.

It is a cyclic number.

It is not a de Polignac number, because 7542400741 - 2¹ = 7542400739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7542400697 and 7542400706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7542400441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163965211 + ... + 163965256.

It is an arithmetic number, because the mean of its divisors is an integer number (1967582808).

Almost surely, 2^7542400741 is an apocalyptic number.

It is an amenable number.

7542400741 is a deficient number, since it is larger than the sum of its proper divisors (327930491).

7542400741 is a wasteful number, since it uses less digits than its factorization.

7542400741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327930490.

The product of its (nonzero) digits is 31360, while the sum is 34.

The square root of 7542400741 is about 86846.9961541561. The cubic root of 7542400741 is about 1961.1156307420.

The spelling of 7542400741 in words is "seven billion, five hundred forty-two million, four hundred thousand, seven hundred forty-one".