1005746554 has 8 divisors (see below), whose sum is σ = 1597362228. Its totient is φ = 473292480.

The previous prime is 1005746549. The next prime is 1005746557. The reversal of 1005746554 is 4556475001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 959574529 + 46172025 = 30977^2 + 6795^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1005746554² = 2023052261765749832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1005746557) 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, 14790357 + ... + 14790424.

Almost surely, 2^1005746554 is an apocalyptic number.

1005746554 is a deficient number, since it is larger than the sum of its proper divisors (591615674).

1005746554 is a wasteful number, since it uses less digits than its factorization.

1005746554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29580800.

The product of its (nonzero) digits is 84000, while the sum is 37.

The square root of 1005746554 is about 31713.5074376834. The cubic root of 1005746554 is about 1001.9118604602.

The spelling of 1005746554 in words is "one billion, five million, seven hundred forty-six thousand, five hundred fifty-four".