1400452073 has 4 divisors (see below), whose sum is σ = 1400560980. Its totient is φ = 1400343168.

The previous prime is 1400452069. The next prime is 1400452087. The reversal of 1400452073 is 3702540041.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3702540041 = 17 ⋅217796473.

It can be written as a sum of positive squares in 2 ways, for example, as 590878864 + 809573209 = 24308^2 + 28453^2 .

It is a cyclic number.

It is not a de Polignac number, because 1400452073 - 2² = 1400452069 is a prime.

It is a super-2 number, since 2×1400452073² = 3922532017539994658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1400452093) 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, 32108 + ... + 61901.

It is an arithmetic number, because the mean of its divisors is an integer number (350140245).

Almost surely, 2^1400452073 is an apocalyptic number.

It is an amenable number.

1400452073 is a deficient number, since it is larger than the sum of its proper divisors (108907).

1400452073 is an equidigital number, since it uses as much as digits as its factorization.

1400452073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108906.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 1400452073 is about 37422.6144597087. The cubic root of 1400452073 is about 1118.8093408054.

The spelling of 1400452073 in words is "one billion, four hundred million, four hundred fifty-two thousand, seventy-three".