1742465421 has 6 divisors (see below), whose sum is σ = 2516894510. Its totient is φ = 1161643608.

The previous prime is 1742465411. The next prime is 1742465443. The reversal of 1742465421 is 1245642471.

1742465421 is a `hidden beast` number, since 1 + 74 + 2 + 46 + 542 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1723412196 + 19053225 = 41514^2 + 4365^2 .

It is not a de Polignac number, because 1742465421 - 2⁹ = 1742464909 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 (1742465411) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 96803626 + ... + 96803643.

Almost surely, 2^1742465421 is an apocalyptic number.

It is an amenable number.

1742465421 is a deficient number, since it is larger than the sum of its proper divisors (774429089).

1742465421 is a wasteful number, since it uses less digits than its factorization.

1742465421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193607275 (or 193607272 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 1742465421 is about 41742.8487408322. The cubic root of 1742465421 is about 1203.3391767138.

The spelling of 1742465421 in words is "one billion, seven hundred forty-two million, four hundred sixty-five thousand, four hundred twenty-one".