71494754 has 4 divisors (see below), whose sum is σ = 107242134. Its totient is φ = 35747376.

The previous prime is 71494747. The next prime is 71494757. The reversal of 71494754 is 45749417.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45749417 = 7 ⋅6535631.

It can be written as a sum of positive squares in only one way, i.e., 64080025 + 7414729 = 8005^2 + 2723^2 .

It is a super-2 number, since 2×71494754² = 10222999699041032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71494757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17873687 + ... + 17873690.

Almost surely, 2^71494754 is an apocalyptic number.

71494754 is a deficient number, since it is larger than the sum of its proper divisors (35747380).

71494754 is a wasteful number, since it uses less digits than its factorization.

71494754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35747379.

The product of its digits is 141120, while the sum is 41.

The square root of 71494754 is about 8455.4570544708. The cubic root of 71494754 is about 415.0413739173.

The spelling of 71494754 in words is "seventy-one million, four hundred ninety-four thousand, seven hundred fifty-four".